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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.10.2.3 USB
The MSM6280 device contains a Universal Serial Bus (USB) interface to provide an efficient
interconnect between the mobile phone and a personal computer (PC). The USB interface of the
MSM6280 was designed to comply with the definition of a peripheral as specified in USB Specification,
Revision 1.1. Therefore, by definition, the USB interface is also compliant as a peripheral with the USB
Specification, Revision 2.0. The USB Specification Revision 1.1 defines two speeds of operation,
namely low-speed (1.5 Mbps) and full-speed (12 Mbps), both of which are supported by the
MSM6280.
Name
Note
USB_DAT
Data to/from MSM
USB_SE0
Data to/from MSM
USB_OE_N
Out-Put Enable of Transceiver
USB_VBUS
USB_Power From Host(PC)
USB_D+
USB Data+ to Host
USB_D-
USB Data- to Host
[Table 1.7] USB Signal Interface
[Fig. 1.14] Schematic of USB block(MSM6280 Side & PM6658 Side)
N26
USB_DAT_VP
USB_OE_TP_N
N25
N23
USB_SE0_VM
USB_OE_N
USB_SE0
USB_DAT
USB_DAT
G4
USB_D_M
J1
USB_D_P
J2
H2
USB_ID
USB_OE_N
F4
USB_SE0
H4
USB_D+
USB_D-
USB_DAT
USB_SE0
USB_OE_N
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Summary of Contents for KF390
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